Fuzzy-based estimation of continuous Z-distances and discrete directions of home appliances for NIR camera-based gaze tracking system. - Jae Woong Jang; Hwan Heo; Jae Won Bang; Hyung Gil Hong; Rizwan Ali Naqvi; Phong Ha Nguyen 001; Dat Tien Nguyen; Min Beom Lee; Kang Ryoung Park (Multim. Tools Appl., 2018)